:root {
    --petrol: #0e7490;
    --petrol-dunkel: #0b5b73;
    --health-green: #047857;
    --hintergrund: #f5f7f8;
    --text: #1f2937;
    --fehler: #b91c1c;
    --warnung: #b45309;
    --rand: #d1d9dc;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    background-color: var(--hintergrund);
    color: var(--text);
}

header {
    background-color: var(--petrol);
    color: #fff;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

header h1 {
    margin: 0;
    font-size: 1.2rem;
}

nav {
    display: flex;
    gap: 8px;
}

nav a {
    color: #fff;
    text-decoration: none;
    padding: 8px 14px;
    border-radius: 4px;
    min-height: 44px;
    display: flex;
    align-items: center;
}

nav a:hover {
    background-color: var(--petrol-dunkel);
}

main {
    max-width: 960px;
    margin: 32px auto;
    background: #fff;
    border: 1px solid var(--rand);
    border-radius: 8px;
    padding: 32px;
}

main.schmal {
    max-width: 420px;
}

h2 {
    margin-top: 0;
    color: var(--petrol-dunkel);
}

label {
    display: block;
    margin-top: 16px;
    margin-bottom: 4px;
    font-weight: 600;
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="datetime-local"],
input[type="email"],
textarea,
select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--rand);
    border-radius: 4px;
    font-size: 1rem;
    min-height: 44px;
    background-color: #fff;
    color: var(--text);
}

input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-right: 8px;
    vertical-align: middle;
}

button,
input[type="submit"],
.knopf {
    margin-top: 24px;
    min-height: 44px;
    padding: 10px 20px;
    background-color: var(--petrol);
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

button:hover,
input[type="submit"]:hover,
.knopf:hover {
    background-color: var(--petrol-dunkel);
}

.knopf-warnung {
    background-color: var(--warnung);
}

.knopf-warnung:hover {
    background-color: #92400e;
}

.knopf-gefahr {
    background-color: var(--fehler);
}

.knopf-gefahr:hover {
    background-color: #7f1d1d;
}

.fehler {
    color: var(--fehler);
    font-size: 0.9rem;
    margin-top: 4px;
}

.qr-code {
    display: block;
    margin: 16px auto;
    max-width: 220px;
}

.hinweis {
    font-size: 0.9rem;
    color: #4b5563;
}

.listen-kopf {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
}

.aktionen {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.aktionen .knopf {
    margin-top: 0;
}

fieldset {
    border: 1px solid var(--rand);
    border-radius: 6px;
    margin: 0 0 20px;
    padding: 8px 16px 16px;
}

legend {
    font-weight: 600;
    color: var(--petrol-dunkel);
    padding: 0 6px;
}

.filterleiste {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 12px;
    margin-bottom: 20px;
}

.filterfeld label {
    margin-top: 0;
}

.tabelle {
    width: 100%;
    border-collapse: collapse;
}

.tabelle th,
.tabelle td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--rand);
}

.tabelle th {
    color: var(--petrol-dunkel);
    font-weight: 600;
}

.tabelle a {
    color: var(--petrol-dunkel);
    text-decoration: none;
}

.tabelle a:hover {
    text-decoration: underline;
}

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.badge-aktiv {
    background-color: #d1fae5;
    color: var(--health-green);
}

.badge-archiviert {
    background-color: #fef3c7;
    color: var(--warnung);
}

.badge-anonymisiert {
    background-color: #e5e7eb;
    color: #374151;
}

.datenliste {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 6px 16px;
}

.datenliste dt {
    font-weight: 600;
    color: #4b5563;
}

.datenliste dd {
    margin: 0;
}

.meldungen {
    list-style: none;
    margin: 0 0 20px;
    padding: 0;
}

.meldung {
    padding: 10px 14px;
    border-radius: 4px;
    margin-bottom: 8px;
}

.meldung-success {
    background-color: #d1fae5;
    color: var(--health-green);
}

.meldung-error {
    background-color: #fee2e2;
    color: var(--fehler);
}

#kalender-benutzer-filter {
    width: auto;
    min-height: 44px;
}

#kalender {
    margin-top: 16px;
}